Age：10 years and above
We will be giving all participants a 500-yen admission ticket to Motoyu Mori no Yu,
so after solving the puzzles, please relax and enjoy a soak in the hot springs. ☺️
STORY
Hakone Kowakien,in the past, even the experts said“There is no chance hot spring comes out of here”and gave up on the area, there was a man who believed in miracles.
He was Eiichi Ogawa, the first president of Fujita Kanko Co.Ogawa did not give up hot spring and keep his geological survey.
He said,“ We must dig resolutely!!” In 1949,the steam from the hot spring came up splendidly with a roaring sound.
This time,“ another story” hidden behind this episode is revealed.
It comes from the newly discovered old diary of Ogawa.
The diary, in which Ogawa wrote down his dream he experienced one night,described“ Fukurokuju,” one of the Seven Lucky Gods,appeared in his dream, and the god poked ground with his stick in his right hand, then golden hot water came out.
And finally, the words at the end,“ The location of the Golden Hidden Hot Spring is...”hinted at the existence of a legendary hot spring still hidden underground.
Intrigued by this mystery, you began exploring the Yunessun facilityfor clues to its whereabouts.
*This story is fiction.
Event period
2025.4.26（Sat）〜2025.12.31（Wed）
*The event period may be extended.
The facility will be closed from 6/10 (Tue) to 6/12 (Thu), and from 12/9 (Tue) to 12/11 (Thu).
Opning hours
10:00〜16:00
Where to buy the kits
Hakone Kowakien Yunessun 4th Floor General Front Desk
Price
Adult:1500yen (tax included) per puzzle booklet
Junior and senior high school students: 1200 yen
Children (4 years old to elementary school): 700 yen
Place
Hakone Kowakien Yunessun
1297 Ninohira, Hakone-machi, Ashigarashimo-gun, Kanagawa Prefecture, 250-0407
Guidelines
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This event is a game where you actually become a detective, gather information, solve mysteries, and work your way to uncover the truth.
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We strongly prohibit any posts on blogs, X (formerly Twitter), Facebook, or other social media that may contain spoilers, as they could ruin the experience for those looking forward to the game.
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Please be aware that any accidents, injuries, or damage to property occurring during the event are the sole responsibility of the participant. By participating, you agree to this disclaimer in advance.
Production
MISH Co., Ltd.
Ishin entertainment Inc.
Organizer
Hakone Kowakien Yunessun